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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.opengl.impl;
import javax.media.opengl.*;
public abstract class GLDrawableImpl implements GLDrawable {
private GLCapabilities requestedCapabilities;
protected GLDrawableImpl(GLDrawableFactory factory,
NativeWindow comp,
GLCapabilities requestedCapabilities,
boolean realized) {
this.factory = factory;
this.component = comp;
this.requestedCapabilities = (GLCapabilities) requestedCapabilities.clone();
this.realized = realized;
}
/** For offscreen GLDrawables (pbuffers and "pixmap" drawables),
indicates that native resources should be reclaimed. */
public void destroy() throws GLException {
setRealized(false);
}
public void swapBuffers() throws GLException {
}
public static String toHexString(long hex) {
return GLContextImpl.toHexString(hex);
}
protected GLCapabilities getRequestedGLCapabilities() {
return requestedCapabilities;
}
public GLCapabilities getChosenGLCapabilities() {
if (chosenCapabilities == null)
return null;
// Must return a new copy to avoid mutation by end user
return (GLCapabilities) chosenCapabilities.clone();
}
protected void setChosenGLCapabilities(GLCapabilities caps) {
chosenCapabilities = (caps==null) ? null : (GLCapabilities) caps.clone();
}
public NativeWindow getNativeWindow() {
return component;
}
public GLDrawableFactory getFactory() {
return factory;
}
public void setRealized(boolean realized) {
this.realized = realized;
if(!realized) {
setChosenGLCapabilities(null);
component.invalidate();
}
}
public boolean getRealized() {
return realized;
}
public void setSize(int width, int height) {
component.setSize(width, height);
}
public int getWidth() {
return component.getWidth();
}
/** Returns the current height of this GLDrawable. */
public int getHeight() {
return component.getHeight();
}
public int lockSurface() throws GLException {
if (!realized) {
return NativeWindow.LOCK_SURFACE_NOT_READY;
}
return component.lockSurface();
}
public void unlockSurface() {
component.unlockSurface();
}
public boolean isSurfaceLocked() {
return component.isSurfaceLocked();
}
public String toString() {
return "GLDrawable[realized "+getRealized()+
", window "+getNativeWindow()+
", factory "+getFactory()+"]";
}
protected GLDrawableFactory factory;
protected NativeWindow component;
private GLCapabilities chosenCapabilities;
// Indicates whether the component (if an onscreen context) has been
// realized. Plausibly, before the component is realized the JAWT
// should return an error or NULL object from some of its
// operations; this appears to be the case on Win32 but is not true
// at least with Sun's current X11 implementation (1.4.x), which
// crashes with no other error reported if the DrawingSurfaceInfo is
// fetched from a locked DrawingSurface during the validation as a
// result of calling show() on the main thread. To work around this
// we prevent any JAWT or OpenGL operations from being done until
// addNotify() is called on the component.
protected boolean realized;
}
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